Lentinula Edodes (Shiitake Mushroom) Extract is derived from shiitake mushrooms and is used in skincare for its antioxidant, soothing, and skin-conditioning properties, often attributed to polysaccharides (such as kojic acid precursors and beta-glucans) and amino acids. It is included in formulations to support brightening, hydration, and protection against oxidative stress.
| Reported effect | How often | Notes |
|---|---|---|
| Contact irritation (redness, stinging) | Rare | Generally well tolerated; mild irritation possible in sensitive skin. |
| Allergic contact dermatitis | Rare | Reported mainly in individuals with mushroom or fungal allergies. |
| Shiitake-induced flagellate dermatitis | Very rare | Documented chiefly from oral ingestion of raw/undercooked mushrooms; topical cosmetic causation is not established. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.